Array substrate and display device

ABSTRACT

An array substrate includes a display region and a non-display region arranged adjacent to the display region. A plurality of signal connection lines is arranged at the non-display region, and each signal connection line is configured to connect a signal source and a signal line at the display region. At least one signal connection line includes a main line portion and at least one resistance adjustment portion connected in parallel to the main line portion.

CROSS-REFERENCE TO RELATED APPLICATION

The present application claims a priority of the Chinese patentapplication No. 201721059813.3 filed on Aug. 23, 2017, which isincorporated herein by reference in its entirety.

TECHNICAL FIELD

The present disclosure relates to the field of display technology, inparticular to an array substrate and a display device.

BACKGROUND

In the related art, in order to prevent the delay of signals from signalsources surrounding a display region of an array substrate to signallines at the display region, usually it is necessary adjust a resistanceof a signal connection line connecting each signal source and thecorresponding signal line. Usually, the signal connection line is of abending shape. However, there is a limited space between the signalsource and the corresponding signal line. For some signal connectionlines, it is necessary to provide more bending portions so as to balancethe resistances. At this time, a larger space for the layout of thesignal connection lines is required, and thereby it is adverse to themanufacture of a narrow-bezel display device. In addition, if too manybending portions are arranged in the limited space, such a phenomenon asshort-circuit or deficient connection may occur for the signalconnection signal, and thereby the display quality of the display devicemay be adversely affected.

SUMMARY

In one aspect, the present disclosure provides in some embodiments anarray substrate including a display region and a non-display regionarranged adjacent to the display region. A plurality of signalconnection lines is arranged at the non-display region, and each signalconnection line is configured to connect a signal source and a signalline at the display region. At least one signal connection line includesa main line portion and at least one resistance adjustment portionconnected in parallel to the main line portion.

In a possible embodiment of the present disclosure, the main lineportion includes at least one bending portion, and the resistanceadjustment portion is connected in parallel to the at least one bendingportion.

In a possible embodiment of the present disclosure, the main lineportion includes at least two bending portions, the at least two bendingportions include a first bending portion and a second bending portionhaving different lengths; or the at least two bending portions of thesignal connection line have an identical length; or the lengths of theat least two bending portions of the signal connection line decreasegradually in a direction close to the signal source; or the at least twobending portions include the first bending portion and the secondbending portion having different bending amplitudes.

In a possible embodiment of the present disclosure, the at least oneresistance adjustment portion includes a first resistance adjustmentportion and a second resistance adjustment portion independent of eachother, and an extension direction of the second resistance adjustmentportion is not in a same straight line as an extension direction of thefirst resistance adjustment portion.

In a possible embodiment of the present disclosure, the at least oneresistance adjustment portion includes a first resistance adjustmentportion and a second resistance adjustment portion independent of eachother, and the number of bending portions connected in parallel to thesecond resistance adjustment portion is different from the number ofbending portions connected in parallel to the first resistanceadjustment portion.

In a possible embodiment of the present disclosure, the at least oneresistance adjustment portion includes a first resistance adjustmentportion and a second resistance adjustment portion independent of eachother, and a length of each of the bending portions connected inparallel to the second resistance adjustment portion is different from alength of each of the bending portions connected in parallel to thefirst resistance adjustment portion.

In a possible embodiment of the present disclosure, the at least oneresistance adjustment portion includes a first resistance adjustmentportion and a second resistance adjustment portion independent of eachother, and a position where the second resistance adjustment portion isconnected in parallel to the corresponding bending portions is differentfrom a position where the first resistance adjustment portion isconnected in parallel to the corresponding bending portions.

In a possible embodiment of the present disclosure, the at least onesignal connection line includes a first signal connection line and asecond signal connection line, and the signal source includes a firstsignal source and a second signal source. The first signal connectionline includes a first end connected to the first signal source and asecond end connected to the signal line. The second signal connectionline includes a third end connected to the second signal source and afourth end connected to the signal line. A distance between the secondend and the first signal source is greater than a distance between thefourth end and the second signal source. The number of resistanceadjustment portions of the first signal connection line is greater thanor equal to the number of resistance adjustment portions of the secondsignal connection line.

In a possible embodiment of the present disclosure, the at least onesignal connection line includes a first signal connection line and asecond signal connection line, and the signal source includes a firstsignal source and a second signal source. A distance between a bendingportion of the first signal connection line and the first signal sourceis greater than a distance between a bending portion of the secondsignal connection line and the second signal source, and the number ofresistance adjustment portions of the first signal connection line isgreater than or equal to the number of resistance adjustment portions ofthe second signal connection line.

In a possible embodiment of the present disclosure, the at least onesignal connection line includes a first signal connection line and asecond signal connection line, and the signal source includes a firstsignal source and a second signal source. A bending direction of abending portion of the first signal connection line is different from abending direction of a bending portion of the second signal connectionline.

In a possible embodiment of the present disclosure, the at least onesignal connection line includes a first signal connection line and asecond signal connection line, and the signal source includes a firstsignal source and a second signal source. A size of a bending portion ofthe first signal connection line is different from a size of a bendingportion of the second signal connection line.

In a possible embodiment of the present disclosure, the at least onesignal connection line includes a first signal connection line and asecond signal connection line, and the signal source includes a firstsignal source and a second signal source. Bending portions of the firstsignal connection line are arranged in axisymmetric manner oralternately relative to, or partially overlap bending portions of thesecond signal connection line.

In a possible embodiment of the present disclosure, the resistanceadjustment portion and the bending portion are made of differentconductive materials, or arranged at a same layer.

In a possible embodiment of the present disclosure, the first signalsource has a voltage value, current value or sequence different from thesecond signal source.

In a possible embodiment of the present disclosure, the resistanceadjustment portion is arranged at a side of the main line portion sameas the bending portion, or the resistance adjustment portion is arrangedat a region corresponding to the bending portion, or the resistanceadjustment portion is arranged at a side of the main line portiondifferent from the bending portion, or the resistance adjustment portionis merely arranged at a region corresponding to the bending portion andin a same straight line as the main line portion.

In a possible embodiment of the present disclosure, the resistanceadjustment portion is merely arranged at a region corresponding to thebending portion and in a same straight line as the main line portion.

In a possible embodiment of the present disclosure, the main lineportion includes at least two bending portions, and the resistanceadjustment portion is connected in parallel to the at least two bendingportions.

In a possible embodiment of the present disclosure, the signal sourceincludes at least one of a common voltage signal source, a gate voltagesignal source, an initial signal source, a data voltage signal sourceand a clock signal source.

In a possible embodiment of the present disclosure, the signal source isderived from at least one of a Gate On Array (GOA) circuit, a Chip OnArray (COA), and a Chip On Flexible board (COF).

In another aspect, the present disclosure provides in some embodiments adisplay device including the above-mentioned array substrate.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic view showing a signal connection line according toone embodiment of the present disclosure;

FIGS. 2 and 3 are schematic views showing a situation where a main lineportion is connected in parallel to a resistance adjustment portionaccording to one embodiment of the present disclosure; and

FIGS. 4, 5 and 6 are schematic views showing the signal connection lineaccording to one embodiment of the present disclosure.

DETAILED DESCRIPTION OF THE EMBODIMENTS

In order to make the objects, the technical solutions and the advantagesof the present disclosure more apparent, the present disclosure will bedescribed hereinafter in a clear and complete manner in conjunction withthe drawings and embodiments.

In order to prevent the delay of signals from signal sources (e.g., datasignal Integrated Circuits (ICs)) surrounding a display region of anarray substrate to signal lines at the display region, usually it isnecessary adjust a resistance of a signal connection line connectingeach signal source and the corresponding signal line. Usually, thesignal connection line connecting the IC (e.g., the data signal IC) andthe signal line is of a bending shape. However, there is a limited spacebetween the signal source and the corresponding signal line. For somesignal connection lines, it is necessary to provide more bendingportions so as to balance the resistances. At this time, a larger spacefor the layout of the signal connection lines is required, and therebyit is adverse to the manufacture of a narrow-bezel display device. Inaddition, if too many bending portions are arranged in the limitedspace, such a phenomenon as short-circuit or deficient connection mayoccur for the signal connection signal, and thereby the display qualityof the display device may be adversely affected.

An object of the present disclosure is to provide an array substrate anda display device, so as to facilitate the adjustment of the resistanceof the signal connection line, thereby to provide the display devicewith a narrow bezel.

The present disclosure provides in some embodiments an array substrate100 which, as shown in FIG. 1, includes a display region 200 and anon-display region 300 arranged adjacent the display region. A pluralityof signal connection lines is arranged at the non-display region, andeach signal connection line is configured to connect a signal source anda signal line at the display region. At least one signal connection lineincludes a main line portion 1 and at least one resistance adjustmentportion 2 connected in parallel to the main line portion 1.

According to the array substrate in the embodiments of the presentdisclosure, the signal connection line connecting the signal source andthe signal line at the display region includes the main line portion 1and the resistance adjustment portion 2 connected in parallel to themain line portion 1. In this way, it is able to adjust a resistance ofthe signal connection line through the resistance adjustment portion 2.In addition, the resistance adjustment portion 2 is connected inparallel to the main line portion 1, so it is able to reduce theresistance of the signal connection line. Further, it is unnecessary toprovide the main line portion 1 with too many bending portions tobalance the resistance, thereby to reduce a space for the layout of thesignal connection line and facilitate the manufacture of a narrow-bezeldisplay device. Also, it is able to prevent the occurrence of such aphenomenon as short-circuit or deficient connection due to the too manybending portions at a limited space, thereby to ensure the displayquality of the display device.

The resistance of the signal connection line may be reduced through theresistance adjustment portion 2, as shown in FIGS. 2 and 3. In the caseof no parallel connection, a resistance R1 of a portion in a dotted boxin FIG. 3 is equal to Ra+Rb+Re+Rd+Rf, where Ra represents a resistanceof portion A, Rb represents a resistance of portion B, Rc represents aresistance of portion C, Rd represents a resistance of portion D, Rerepresents a resistance of portion E, and Rf represents a resistance ofportion F. In the case of parallel connection, a resistance R2 of aportion in a dotted box in FIG. 2 is equal toRa+Rb+Rc*(Re+Rd+Rf)/(Rc+Re+Rd+Rf). It can therefore be seen that, R2 issmaller than R1. Hence, through the resistance adjustment portion 2connected in parallel to the main line portion 1, it is able to reducethe resistance of the signal connection line and optimize theperformance of an electric signal transmitted on the signal connectionline, thereby to ensure the display quality of the display device.

In a possible embodiment of the present disclosure, as shown in FIGS. 1,2, 4, 5 and 6, the main line portion 1 includes at least one bendingportion 5, and the resistance adjustment portion 2 is connected inparallel to the at least one bending portion 5, i.e., the resistanceadjustment portion 2 may be connected in parallel to one or more bendingportions 5. In another possible embodiment of the present disclosure,each bending portion 5 may be a structure of a square-wave shape, a wavyshape, a folded shape or an arc shape. Bending amplitudes of the bendingportions of the main line portion 1 (i.e., distances between maximumbending positions of the bending portions and the main line portion 1)may be same (as shown in FIGS. 4 and 5) or different (as shown in FIG.1).

In a possible embodiment of the present disclosure, in the case that theresistance adjustment portion 2 is connected in parallel to the bendingportion 5, the resistance adjustment portion 2 may be arranged at a sideof the main line portion 1 same as the bending portion 5 (as shown inFIG. 2), or the resistance adjustment portion 2 may be arranged at aregion corresponding to the bending portion 5 (as shown in FIG. 2), orthe resistance adjustment portion 2 may be arranged at a side of themain line portion 1 different from the bending portion 5 (as shown inFIGS. 1, 4 and 5), or the resistance adjustment portion 2 may be merelyarranged at a region corresponding to the bending portion 5 and in astraight line same as the main line portion 1 (as shown in FIG. 6).

In a possible embodiment of the present disclosure, when the main lineportion 1 includes at least two bending portions 5, the at least twobending portions 5 include a first bending portion 5 and a secondbending portion 5 having different lengths, i.e., the at least twobending portions 5 may have different lengths. In another possibleembodiment of the present disclosure, the bending portions 5 of thesignal connection line may have an identical length, or the lengths ofthe bending portions 5 of the signal connection line decrease graduallyin a direction close to the signal source, as shown in FIG. 6.

In a possible embodiment of the present disclosure, the at least oneresistance adjustment portion 2 includes a first resistance adjustmentportion connected in parallel to all the bending portions 5 of thesignal connection line, so as to reduce the resistance of the signalconnection line to a great extent.

In a possible embodiment of the present disclosure, as shown in FIG. 4,the at least one resistance adjustment portion 2 includes a firstresistance adjustment portion 21 and a second resistance adjustmentportion 22 independent of each other, and an extension direction of thesecond resistance adjustment portion 22 is not in a straight lineidentical to an extension direction of the first resistance adjustmentportion 21. For example, the first resistance adjustment portion 21 andthe second resistance adjustment portion 22 independent of each othermaybe arranged at two sides of the main line portion 1 respectively. Ofcourse, the signal connection line may also include more than tworesistance adjustment portions 2, and at this time, the extensiondirections of these resistance adjustment portions 2 may be not in asame straight line.

In a possible embodiment of the present disclosure, the number ofbending portions 5 connected in parallel to the second resistanceadjustment portion 22 may be different from the number of bendingportions 5 connected in parallel to the first resistance adjustmentportion 21; and/or a length of the bending portion 5 connected inparallel to the second resistance adjustment portion 22 may be differentfrom a length of the bending portion 5 connected in parallel to thefirst resistance adjustment portion 21; and/or a position of the bendingportion 5 connected in parallel to the second resistance adjustmentportion 22 may be different from a position of the bending portion 5connected in parallel to the first resistance adjustment portion 21;and/or the extension direction of the bending portion 5 connected inparallel to the second resistance adjustment portion 22 may be differentfrom the extension direction of the bending portion 5 connected inparallel to the first resistance adjustment portion 21.

Of course, the number of bending portions 5 connected in parallel to thesecond resistance adjustment portion 22 may be same as the number ofbending portions 5 connected in parallel to the first resistanceadjustment portion 21; and/or the length of the bending portion 5connected in parallel to the second resistance adjustment portion 22 maybe same as the length of the bending portion 5 connected in parallel tothe first resistance adjustment portion 21; and/or the position of thebending portion 5 connected in parallel to the second resistanceadjustment portion 22 may be same as the position of the bending portion5 connected in parallel to the first resistance adjustment portion 21;and/or the extension direction of the bending portion 5 connected inparallel to the second resistance adjustment portion 22 may be same asthe extension direction of the bending portion 5 connected in parallelto the first resistance adjustment portion 21.

Different signal lines may be connected to different signal sources orthe same signal source. The signal source may include a common voltagesignal source, a gate voltage signal source, an initial signal source, adata voltage signal source and a clock signal source. For example, onesignal connection line may be connected to a first common voltage signalsource, and the other signal connection line may be connected to asecond common voltage signal source.

In a possible embodiment of the present disclosure, different signallines include bending portions having a same size and a same number,resistance adjustment portions are used to adjust the resistance of thedifferent signal lines.

In a possible embodiment of the present disclosure, different signallines include bending portions whose number is decreased from the middlesignal connection line to the outer signal connection lines, resistanceadjustment portions are used to adjust the resistance of the differentsignal lines.

In a possible embodiment of the present disclosure, different signallines include bending portions whose size and number are not limited,resistance adjustment portions are used to adjust the resistance of thedifferent signal lines.

In a possible embodiment of the present disclosure, the signal sourcemay be derived from a driving circuit or chip integrated into the arraysubstrate, e.g., a Gate on Array (GOA) circuit or a chip on array (COG),or a driving circuit or chip bound to a flexible circuit board on thearray substrate, e.g., a Chip on Flexible board (COF). To be specific,the signal source may be a data signal IC and a gate signal IC.

As shown in FIG. 4, the signal connection lines are connected to thefirst signal source 3 and the second signal source 4 respectively, andthe resistance adjustment portion 2 of the signal connection lineconnected to the second signal source 4 is connected in parallel to allthe bending portions 5.

In a possible embodiment of the present disclosure, the at least onesignal connection line includes a first signal connection line and asecond signal connection line. The first signal connection line includesa first end connected to the first signal source and a second endconnected to the signal line. The second signal connection line includesa third end connected to the second signal source and a fourth endconnected to the signal line. If a distance between the second end andthe first signal source is greater than or equal to a distance betweenthe fourth end and the second signal source, the number of theresistance adjustment portions 2 of the first signal connection line maybe greater than or equal to the number of the resistance adjustmentportions 2 of the second signal connection line, i.e., the signalconnection line farther away from the signal source may be provided withmore resistance adjustment portions 2. In this way, it is able to reducea difference between the resistance of the first signal connection lineand the resistance of the second signal connection line, thereby toreduce a difference between electric signals transmitted on the signalconnection lines.

In a possible embodiment of the present disclosure, a distance betweenthe bending portion 5 of the first signal connection line and the firstsignal source is greater than a distance between the bending portion 5of the second signal connection line and the second signal source, andthe number of the resistance adjustment portions 2 of the first signalconnection line is greater than or equal to the number of the resistanceadjustment portions 2 of the second signal connection line, i.e., thesignal connection line whose bending portion 5 is farther away from thesignal source is provided with more resistance adjustment portions 2. Inthis way, it is able to reduce the difference between the resistance ofthe first signal connection line and the resistance of the second signalconnection line, thereby to reduce the difference between electricsignals transmitted on the signal connection lines.

In a possible embodiment of the present disclosure, a bending directionof the bending portion 5 of the first signal connection line may bedifferent from a bending portion of the bending portion 5 of the secondsignal connection line; and/or a size of the bending portion 5 of thefirst signal connection line may be different from a size of the bendingportion 5 of the second signal connection line; and/or the bendingportions 5 of the first signal connection line are arranged inaxisymmetric manner to the bending portions 5 of the second signalconnection line; and/or the bending portions 5 of the first signalconnection line are arranged alternately relative to the bendingportions 5 of the second signal connection line; and/or the bendingportions 5 of the first signal connection line are arranged partiallyoverlap the bending portions 5 of the second signal connection line.

In a possible embodiment of the present disclosure, the first signalsource has a voltage value, current value or sequence different from thesecond signal source.

Of course, the bending direction of the bending portion 5 of the firstsignal connection line may be same as the bending direction of thebending portion 5 of the second signal connection line; and/or the sizeof the bending portion 5 of the first signal connection line may be sameas the size of the bending portion 5 of the second signal connectionline.

As shown in FIG. 5, the resistance adjustment portion 2 may be of a wavyshape different from a shape of the bending portion 5. Of course, theresistance adjustment portion 2 may also be of any other shapes, such asa folded shape or an arc shape. In addition, the shape of the resistanceadjustment portion 2 may also be same as the shape of the bendingportion 5.

In a possible embodiment of the present disclosure, the resistanceadjustment portion 2 and the bending portion 5 may be made of differentconductive materials, or arranged at a same layer. When the resistanceadjustment portion 2 and the bending portion 5 are arranged at differentlayers, the resistance adjustment portion 2 may be connected to thebending portion 5 through a via-hole.

In a possible embodiment of the present disclosure, the length of theresistance adjustment portion 2 may be same as the length of the bendingportion 5, and a width of the resistance adjustment portion 2 may besame as a width of the bending portion 5. In another possible embodimentof the present disclosure, the length and the width of the resistanceadjustment portion 2 may be different from those of the bending portion5 respectively.

The present disclosure further provides in some embodiments a displaydevice including the above-mentioned array substrate. The display devicemay be any product or member having a display function, such as liquidcrystal television, liquid crystal display, organic light-emitting diodedisplay, digital photo frame, mobile phone or flat-panel computer. Thedisplay device may further include a flexible circuit board, a printedcircuit board and a back plate.

Unless otherwise defined, any technical or scientific term used hereinshall have the common meaning understood by a person of ordinary skills.Such words as “first” and “second” used in the specification and claimsare merely used to differentiate different components rather than torepresent any order, number or importance. Similarly, such words as“one” or “one of” are merely used to represent the existence of at leastone member, rather than to limit the number thereof. Such words as“connect” or “connected to” may include electrical connection, direct orindirect, rather than to be limited to physical or mechanicalconnection. Such words as “on”, “under”, “left” and “right” are merelyused to represent relative position relationship, and when an absoluteposition of the object is changed, the relative position relationshipwill be changed too.

It should be appreciated that, in the case that such element as layer,film, region or substrate is arranged “on” or “under” another element,it may be directly arranged “on” or “under” the other element, or anintermediate element may be arranged between the two elements.

The above are merely the preferred embodiments of the presentdisclosure, but the present disclosure is not limited thereto.Obviously, a person skilled in the art may make further modificationsand improvements without departing from the spirit of the presentdisclosure, and these modifications and improvements shall also fallwithin the scope of the present disclosure.

What is claimed is:
 1. An array substrate, comprising a display regionand a non-display region arranged adjacent to the display region,wherein a plurality of signal connection lines is arranged at thenon-display region, the signal connection line is configured to connecta signal source and a signal line at the display region, and at leastone signal connection line comprises a main line portion and at leastone resistance adjustment portion connected in parallel to the main lineportion, wherein the at least one resistance adjustment portioncomprises a first resistance adjustment portion and a second resistanceadjustment portion independent of each other.
 2. The array substrateaccording to claim 1, wherein the main line portion comprises at leastone bending portion, and the resistance adjustment portion is connectedin parallel to the at least one bending portion.
 3. The array substrateaccording to claim 2, wherein the main line portion comprises at leasttwo bending portions, the at least two bending portions comprise a firstbending portion and a second bending portion having different lengths;or the at least two bending portions of the signal connection line havea same length; or the lengths of the at least two bending portions ofthe signal connection line decrease gradually in a direction close tothe signal source; or the at least two bending portions comprise thefirst bending portion and the second bending portion having differentbending amplitudes.
 4. The array substrate according to claim 2, whereinan extension direction of the second resistance adjustment portion isnot in a same straight line as an extension direction of the firstresistance adjustment portion.
 5. The array substrate according to claim2, wherein a number of bending portions connected in parallel to thesecond resistance adjustment portion is different from a number ofbending portions connected in parallel to the first resistanceadjustment portion.
 6. The array substrate according to claim 2, whereina length of each of the bending portions connected in parallel to thesecond resistance adjustment portion is different from a length of eachof the bending portions connected in parallel to the first resistanceadjustment portion.
 7. The array substrate according to claim 2, whereina position where the second resistance adjustment portion is connectedin parallel to a corresponding bending portions is different from aposition where the first resistance adjustment portion is connected inparallel to the corresponding bending portions.
 8. The array substrateaccording to claim 2, wherein the resistance adjustment portion and thebending portion are made of different conductive materials, or arrangedat a same layer.
 9. The array substrate according to claim 8, whereinthe signal source comprises a first signal source and a second signalsource, the first signal source has a voltage value, current value orsequence different from the second signal source.
 10. The arraysubstrate according to claim 2, wherein the resistance adjustmentportion is arranged at a side of the main line portion same as thebending portion, or the resistance adjustment portion is arranged at aregion corresponding to the bending portion, or the resistanceadjustment portion is arranged at a side of the main line portiondifferent from the bending portion, or the resistance adjustment portionis merely arranged at a region corresponding to the bending portion andin a same straight line as the main line portion.
 11. The arraysubstrate according to claim 1, wherein the main line portion comprisesat least two bending portions, and the resistance adjustment portion isconnected in parallel to the at least two bending portions.
 12. Thearray substrate according to claim 1, wherein the signal sourcecomprises at least one of a common voltage signal source, a gate voltagesignal source, an initial signal source, a data voltage signal sourceand a clock signal source.
 13. The array substrate according to claim 1,wherein the signal source is from at least one of a Gate On Array, aChip On Array, and a Chip On Flexible board.
 14. A display device,comprising the array substrate according to claim
 1. 15. An arraysubstrate, comprising a display region and a non-display region arrangedadjacent to the display region, wherein a plurality of signal connectionlines is arranged at the non-display region, the signal connection lineis configured to connect a signal source and a signal line at thedisplay region, and at least one signal connection line comprises a mainline portion and at least one resistance adjustment portion connected inparallel to the main line portion, wherein the main line portioncomprises at least one bending portion, and the resistance adjustmentportion is connected in parallel to the at least one bending portion,wherein the resistance adjustment portion is merely arranged at a regioncorresponding to the bending portion and in a same straight line as themain line portion.
 16. An array substrate, comprising a display regionand a non-display region arranged adjacent to the display region,wherein a plurality of signal connection lines is arranged at thenon-display region, the signal connection line is configured to connecta signal source and a signal line at the display region, and at leastone signal connection line comprises a main line portion and at leastone resistance adjustment portion connected in parallel to the main lineportion, wherein the main line portion comprises at least one bendingportion, and the resistance adjustment portion is connected in parallelto the at least one bending portion; wherein the at least one signalconnection line comprises a first signal connection line and a secondsignal connection line, and the signal source comprises a first signalsource and a second signal source; and a bending direction or size of abending portion of the first signal connection line is different from abending direction or size of a bending portion of the second signalconnection line.
 17. The array substrate according to claim 16, whereinthe first signal connection line comprises a first end connected to thefirst signal source and a second end connected to the signal line; thesecond signal connection line comprises a third end connected to thesecond signal source and a fourth end connected to the signal line; adistance between the second end and the first signal source is greaterthan a distance between the fourth end and the second signal source; anda number of resistance adjustment portions of the first signalconnection line is greater than or equal to a number of resistanceadjustment portions of the second signal connection line.
 18. The arraysubstrate according to claim 16, wherein a distance between a bendingportion of the first signal connection line and the first signal sourceis greater than a distance between a bending portion of the secondsignal connection line and the second signal source; and a number ofresistance adjustment portions of the first signal connection line isgreater than or equal to a number of resistance adjustment portions ofthe second signal connection line.
 19. The array substrate according toclaim 16, wherein bending portions of the first signal connection lineare arranged in axisymmetric manner or alternately relative to, orpartially overlap bending portions of the second signal connection line.